001    /*
002     *    GeoAPI - Java interfaces for OGC/ISO standards
003     *    http://www.geoapi.org
004     *
005     *    Copyright (C) 2004-2012 Open Geospatial Consortium, Inc.
006     *    All Rights Reserved. http://www.opengeospatial.org/ogc/legal
007     *
008     *    Permission to use, copy, and modify this software and its documentation, with
009     *    or without modification, for any purpose and without fee or royalty is hereby
010     *    granted, provided that you include the following on ALL copies of the software
011     *    and documentation or portions thereof, including modifications, that you make:
012     *
013     *    1. The full text of this NOTICE in a location viewable to users of the
014     *       redistributed or derivative work.
015     *    2. Notice of any changes or modifications to the OGC files, including the
016     *       date changes were made.
017     *
018     *    THIS SOFTWARE AND DOCUMENTATION IS PROVIDED "AS IS," AND COPYRIGHT HOLDERS MAKE
019     *    NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
020     *    TO, WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR THAT
021     *    THE USE OF THE SOFTWARE OR DOCUMENTATION WILL NOT INFRINGE ANY THIRD PARTY
022     *    PATENTS, COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS.
023     *
024     *    COPYRIGHT HOLDERS WILL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL OR
025     *    CONSEQUENTIAL DAMAGES ARISING OUT OF ANY USE OF THE SOFTWARE OR DOCUMENTATION.
026     *
027     *    The name and trademarks of copyright holders may NOT be used in advertising or
028     *    publicity pertaining to the software without specific, written prior permission.
029     *    Title to copyright in this software and any associated documentation will at all
030     *    times remain with copyright holders.
031     */
032    package org.opengis.style;
033    
034    import java.util.Collection;
035    import javax.swing.Icon;
036    import org.opengis.annotation.Extension;
037    import org.opengis.annotation.XmlElement;
038    import org.opengis.metadata.citation.OnlineResource;
039    
040    
041    /**
042     * Points to an external file that contains an image of some kind, such as a CGM, JPG, or SVG.
043     *
044     * @version <A HREF="http://www.opengeospatial.org/standards/symbol">Symbology Encoding Implementation Specification 1.1.0</A>
045     * @author Open Geospatial Consortium
046     * @author Johann Sorel (Geomatys)
047     * @author Chris Dillard (SYS Technologies)
048     * @since GeoAPI 2.2
049     */
050    @XmlElement("ExternalGraphic")
051    public interface ExternalGraphic extends GraphicalSymbol {
052    
053        /**
054         * Returns a OnlineResource to a file (perhaps a local file) that contains an image.
055         * This can be null if the image is already loaded locally and the
056         * {@link #getInlineContent InlineContent} property is set.
057         *
058         * @return OnlineResource
059         */
060        @XmlElement("OnlineResource")
061        OnlineResource getOnlineResource();
062    
063        /**
064         * Returns the InlineContent that comprise the image.  This overrides the
065         * {@link #getOnlineResource OnlineResource} property, if it is set.
066         *
067         * @return
068         */
069        @XmlElement("InlineContent")
070        Icon getInlineContent();
071    
072        /**
073         * Returns the mime type of the onlineResource/InlineContent
074         *
075         * @return mime type
076         */
077        @XmlElement("Format")
078        String getFormat();
079    
080        /**
081         * The ColorReplacement element, which may occur multiple times, allows to replace a
082         * color in the ExternalGraphic, the color specified in the OriginalColor sub-element, by
083         * another color as a result of a recode function as defined in {@link Interpolate} .
084         */
085        @XmlElement("ColorReplacement")
086        Collection<ColorReplacement> getColorReplacements();
087    
088        /**
089         * calls the visit method of a StyleVisitor
090         *
091         * @param visitor the style visitor
092         */
093        @Extension
094        Object accept(StyleVisitor visitor, Object extraData);
095        
096    }